The Watch Encyclopedia
Annual calendar
A calendar mechanism accounting for different month lengths but normally needing a correction around February.
Good to know
An annual calendar and a perpetual calendar handle February differently.
Watch library
Related watches

Glashütte Original
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Glashütte Original
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Glashütte Original
1-92-11-01-03-61
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Glashütte Original
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Longines
L2.910.4.77.6
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Longines
L2.910.4.78.3
View watch ↗Connections use recorded specifications. Features vary by reference.